Wire or strip tinning machine



May H, 1937. c. w. MEYERS WIRE QR STRIP TINNING MACHINE Filed. Sept. 27, 1954 lnuenloi': (Ha/ s W. MEYEES,

Patented Mav 11 1937 WIRE R. STRIP Charles w. Meyers, Shaker Heights, Cleveland, Ohio 7 Application September z7, 19s4,'s n 117e-.745.s2c

3 Claims.

molten tin 2 with palm oil 3 floating on the same. 7

This pot is made in the form of two chambers, I and I, which are separated by a partition I that extends almost to the bottom of the pot. and by an elevation N in the bottom of the pot.

The continuously moving wire or strip runs over a roller 4 down through the molten tin 2 and into the chamber I by way of the space between the partition I and elevation l where it' is guided upwardly by a. larger roller 5 through the palm oil 3 and so from the pot.

A pump 6 is submerged in the palm oil 3 in the chamber l and is driven through a long shaft I by a motor 8. This pump supplies a, set of nozzles 9 with a constant flow of palm oil,

and these nozzles direct this flow against the wire or strip moving upwardly through the palm oil, in a. direction opposite to its movement. This flow of palm oil wipes the wire strip so as to remove surplus tin.

This wiping cannot be done too close to the .surface of the molten tin 2 in the chamber l becauseit would cause too much disturbance of the tin. If it is located sufllciently high in the palm oil to avoid this trouble, the tin coating on the strip of-wire has become too hardened to be so wiped.

In the machine described, the nozzles 9 are located at a sufficient height in the palm oil above the molten tin to prevent any disturbance of the latter. To enable proper wiping action; a high frequency electric induction heater I0 is immersed in the palm oil between the nozzles 9 and the surface of the tin 2, the wire or strip being passed through this heater after leaving the tin.- This raises the temperature of the wire or strip. enough to render the tin carried by it sufliciently fluid to permit it to be wiped by the flow-of palm oil directed against it by the nozzles 9.

The drawing illustrates the heater 5 a coil throughwhich the wire or strip passes,

guides ll functioning to lead the wire stripinitially through this coil. The use of an elementjwhichheats by induction is. important because it permits the addition of heat to the 55 wire orstrip without materially raising the temill as being,

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I N OF TINNING MACHINE (o1. ill-12.2) v

perature of the palm oil or harming the tin coating.

' In case the wire or strip is to be heavily coated with tin, it is not necessary to wipe it in the manner described, the heater alone functioning to smooth the tin coating. -It should be noted that the heater is immersed in the palm oil above the surface of the tin.- Should an attempt be made to heat the wire after it has left'the palm oil it would be impossible to procure the smooth and even coating desired.

I claim: 1. A wire or strip tinning machine including the combination of means for holding molten tin with 'palm oil floating thereon, .means for guiding continuously moving wire or strip through said molten tin and upwardly through said palm oil, and means for heating said wire or strip after it has. left said molten tin andwhile it is still in said palm oil, the last named means being an electric induction heater immersed in of raising the temperature of said wire orstrip without materially raising the temperature. of said palm oil or harming the tin coating on said wire or strip.

2. A wire or strip timing machine including the combination of means for holding molten tin with palm oil floating thereon; means for guiding continuously moving wire or strip through said molten tin and upwardly through said palm ,oil, means for wiping said wire or stripwith a flow of palm oil after it has left said molten tin and at such a height as to avoid material disturbance of the latter, and means for heating said wire'or strip afterit has leftsaid molten tin and before it is wiped by the third named means. I 1

3. A- wire or strip tinning machine including. the combination of means for holding molten tin with palm oil floating thereon, means for gulch. ing continuouslymoving wire or strip through said molten tin and upwardly through said palm oil, means for wiping said wire or strip with a flow of said palm oil after it has left said molten tin and at such a height as to avoid material dis- REISSUEE) said palm oil above said molten tin and capable turbance of the latter, and means for heating said wire or stripv after" it has left said molten tin and before it is wiped by the third named tin.

CHARLES W. MEYERS. 

